Having to reimport to LR after working in PS

i had logos wanted use on web site, imported them lrcc. since jpg files white background, , wanted them png files, took them ps using ctrl+e. in ps, deleted white backgrounds , made them transparent, , did save , selected png. in lr, did not appear, though chose same folder had been working on them in lr. after pondering minute, , double checking file types lr work , confirming lr should indeed work png files, decided use file explorer see if in same folder expected them in. in fact, were. so, figured have import them. did that, importing them folder in, , bingo appeared in lr. noticed although tagged .png extension, white background shows in lr. exported desk top, , in fact png file background removed.

 

two questions: 1) normal behavior if use save in ps after importing them lr? , 2) why lr put white background in display on screen?

 

thanks help,

 

jim

hi jim,

 

1) if save as... in photoshop, create entirely new file on computer. lightroom has no idea file exists until import lightroom library. if instead "edit copy" of, say, jpeg, , make changes can saved jpeg (not transparency jpeg doesn't support), , "save", appear in lightroom because lightroom created copy. create new file outside of lightroom, save as..., file other file not yet in lightroom library.

 

2) lightroom doesn't support transparency, , displays "flattened" version of document. doesn't remove transparency has no way display (unlike photoshop support transparency , displays transparency gray , white checks, default).

 

steve

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